/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* interface header */
#include "CacheMenu.h"

/* common implementation headers */
#include "FontManager.h"

/* local implementation headers */
#include "MainMenu.h"
#include "Downloads.h"
#include "CacheManager.h"
#include "ServerListCache.h"
#include "HUDuiList.h"
#include "playing.h"
#include "HUDui.h"

CacheMenu::CacheMenu(): center()
{
    // cache font face ID
    int fontFace = MainMenu::getFontFace();

    // add controls
    std::vector<HUDuiControl*>& listHUD = getControls();

    // the menu label
    HUDuiLabel* label = new HUDuiLabel;
    label->setFontFace(fontFace);
    label->setString("Cache Settings");
    listHUD.push_back(label);

    // the menu options
    HUDuiList* option;
    std::vector<std::string>* options;


    // Server List Cache Time
    option = new HUDuiList;
    option->setFontFace(fontFace);
    option->setLabel("Server List Cache:");
    option->setCallback(callback, "s");
    options = &option->getList();
    options->push_back(std::string("Off / Backup Mode"));
    options->push_back(std::string("5 Minutes"));
    options->push_back(std::string("15 Minutes"));
    options->push_back(std::string("30 Minutes"));
    options->push_back(std::string("1 Hour"));
    options->push_back(std::string("5 Hours"));
    options->push_back(std::string("15 Hours"));
    options->push_back(std::string("1 day"));
    options->push_back(std::string("15 days"));
    options->push_back(std::string("30 days"));
    option->update();
    listHUD.push_back(option);

    // Server List Cache Clear
    clearServerListCache = label = new HUDuiLabel;
    label->setFontFace(fontFace);
    label->setLabel("Clear Server List Cache");
    listHUD.push_back(label);


    // Cache Size (MegaBytes)
    cacheSize = new HUDuiTypeIn;
    cacheSize->setFontFace(MainMenu::getFontFace());
    cacheSize->setLabel("Cache Size (MB):");
    cacheSize->setMaxLength(4);
    cacheSize->setString(BZDB.get("maxCacheMB"));
    listHUD.push_back(cacheSize);

    // Clear Download Cache
    clearDownloadCache = label = new HUDuiLabel;
    label->setFontFace(fontFace);
    label->setLabel("Clear Download Cache");
    listHUD.push_back(label);


    // Automatic Downloads
    option = new HUDuiList;
    option->setFontFace(MainMenu::getFontFace());
    option->setLabel("Automatic Downloads:");
    option->setCallback(callback, "d");
    options = &option->getList();
    options->push_back(std::string("Off"));
    options->push_back(std::string("On"));
    option->update();
    listHUD.push_back(option);

    // Connection Updates
    option = new HUDuiList;
    option->setFontFace(MainMenu::getFontFace());
    option->setLabel("Connection Updates:");
    option->setCallback(callback, "u");
    options = &option->getList();
    options->push_back(std::string("Off"));
    options->push_back(std::string("On"));
    option->update();
    listHUD.push_back(option);

    // Update Download Cache
    updateDownloadCache = label = new HUDuiLabel;
    label->setFontFace(fontFace);
    label->setLabel("Update Downloads");
    listHUD.push_back(label);


    // Failed Message  (download status)
    failedMessage = new HUDuiLabel;
    failedMessage->setFontFace(fontFace);
    failedMessage->setString("");
    listHUD.push_back(failedMessage);


    initNavigation(listHUD, 1, listHUD.size() - 2);

    return;
}


CacheMenu::~CacheMenu()
{
    return;
}


void CacheMenu::execute()
{
    HUDuiControl* _focus = HUDui::getFocus();

    if (_focus == cacheSize)
    {
        BZDB.set("maxCacheMB", cacheSize->getString().c_str());
        int maxCacheMB = BZDB.evalInt("maxCacheMB");
        if (maxCacheMB < 0)
        {
            BZDB.set("maxCacheMB", "0");
            HUDuiTypeIn* inputField = (HUDuiTypeIn*) _focus;
            inputField->setString("0");
        }
    }
    else if (_focus == updateDownloadCache)
    {
        controlPanel->addMessage("Updating Downloads");
        Downloads::startDownloads(true, true, true);
    }
    else if (_focus == clearDownloadCache)
    {
        const std::string oldSize = BZDB.get("maxCacheMB");
        BZDB.set("maxCacheMB", "0");
        CACHEMGR.loadIndex();
        CACHEMGR.limitCacheSize();
        CACHEMGR.saveIndex();
        BZDB.set("maxCacheMB", oldSize);
        controlPanel->addMessage("Download Cache Cleared");
    }
    else if (_focus == clearServerListCache)
    {
        if ((ServerListCache::get())->clearCache())
            controlPanel->addMessage("Server List Cache Cleared");
        else
        {
            // already cleared -- do nothing
        }
    }
}


void CacheMenu::setFailedMessage(const char* msg)
{
    failedMessage->setString(msg);

    FontManager &fm = FontManager::instance();
    const float _width = fm.getStrLength(MainMenu::getFontFace(),
                                         failedMessage->getFontSize(), failedMessage->getString());
    failedMessage->setPosition(center - 0.5f * _width, failedMessage->getY());
}


void CacheMenu::resize(int _width, int _height)
{
    HUDDialog::resize(_width, _height);

    center = 0.5f * (float)_width;

    // use a big font for title, smaller font for the rest
    const float titleFontSize = (float)_height / 15.0f;
    const float fontSize = (float)_height / 45.0f;
    FontManager &fm = FontManager::instance();

    // reposition title
    std::vector<HUDuiControl*>& listHUD = getControls();
    HUDuiLabel* title = (HUDuiLabel*)listHUD[0];
    title->setFontSize(titleFontSize);
    const float titleWidth =
        fm.getStrLength(MainMenu::getFontFace(), titleFontSize, title->getString());
    const float titleHeight =
        fm.getStrHeight(MainMenu::getFontFace(), titleFontSize, " ");
    float x = 0.5f * ((float)_width - titleWidth);
    float y = (float)_height - titleHeight;
    title->setPosition(x, y);

    // reposition options
    x = 0.5f * (float)_width;
    y -= 0.6f * titleHeight;
    const float h = fm.getStrHeight(MainMenu::getFontFace(), fontSize, " ");
    const int count = listHUD.size();
    int i;
    for (i = 1; i < count; i++)
    {
        listHUD[i]->setFontSize(fontSize);
        listHUD[i]->setPosition(x, y);
        // Add extra space after Clear Server List Cache, Clear Download Cache, and before the download status label
        if ((i == 2) || (i == 4) || (i == 7))
            y -= 1.75f * h;
        else
            y -= 1.0f * h;
    }

    // load current settings
    i = 1;

    // server cache age
    int index = 0;
    switch ((ServerListCache::get())->getMaxCacheAge())
    {
    case 0:
        index = 0;
        break;
    case 5:
        index = 1;
        break;
    case 15:
        index = 2;
        break;
    case 30:
        index = 3;
        break;
    case 60:
        index = 4;
        break;
    case 60*5:
        index = 5;
        break;
    case 60*15:
        index = 6;
        break;
    case 60*24:
        index = 7;
        break;
    case 60*24*15:
        index = 8;
        break;
    case 60*24*30:
        index = 9;
        break;
    default:
        index = 4;
    }
    ((HUDuiList*)listHUD[i++])->setIndex(index);
    i++; // clear cache label

    i++; // cache size
    i++; // clear downloads cache

    ((HUDuiList*)listHUD[i++])->setIndex(BZDB.isTrue("doDownloads") ? 1 : 0);
    ((HUDuiList*)listHUD[i++])->setIndex(BZDB.isTrue("updateDownloads") ? 1 : 0);
    i++; // update downloads now

    return;
}


void CacheMenu::callback(HUDuiControl* w, const void* data)
{
    HUDuiList* list = (HUDuiList*)w;

    switch (((const char*)data)[0])
    {
    case 'd':
    {
        BZDB.set("doDownloads", list->getIndex() ? "1" : "0");
        break;
    }
    case 'u':
    {
        BZDB.set("updateDownloads", list->getIndex() ? "1" : "0");
        break;
    }
    case 's':   // server cache
    {
        time_t minutes = 0;
        int index = list->getIndex();
        switch (index)
        {
        case 0:
            minutes = 0;
            break;
        case 1:
            minutes = 5;
            break;
        case 2:
            minutes = 15;
            break;
        case 3:
            minutes = 30;
            break;
        case 4:
            minutes = 60;
            break;
        case 5:
            minutes = 60*5;
            break;
        case 6:
            minutes = 60*15;
            break;
        case 7:
            minutes = 60*24;
            break;
        case 8:
            minutes = 60*24*15;
            break;
        case 9:
            minutes = 60*24*30;
            break;
        }
        (ServerListCache::get())->setMaxCacheAge(minutes);
        break;
    }
    }

    return;
}


// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
